Forum: Powertrain

iam looking for info on what kind of gear i will need OR want for in town driving on a 00 chevy 4.8 ext cab auto trans with 20's tire is 255/35/20...

Got 500 miles on the new 04, hooked up my 4500 WET RV trailer and head down the road, staying in 3rd and running 70 @2800 rpm I kept getting this...

Now that I've been to the track and driven the truck for a while I realize a posi or locker is definitly necessary. I was wondering if the stock posi...

here are a couple a pics of my ram air

I put on my ASP underdrive pulleys last week and used the same bolts for them both on my truck. I heard from a friend today that I should have...

Hello everyone, Does anyone have a part number or someplace online that sells a complete gasket set for the 6.0L. I'm currently stationed...

I'm not sure if I want to lower or lift the truck yet (it changes by the hour) but I know I want to do something :duh: What years share the same...

I am looking to build up my engine some, but I want to decide if its worth it ...that is, can a few mods give me some power or do I have to go DEEEEP...

What all is involved in changing out the injectors (steps,tools,calib, etc). P.S. Truck is a '99 5.3L rcsb.

Last week I started my Silverado SS and it beeped at me while displaying "Low Fuel" in the convenience center. This was strange because I filled the...

what are some good parts for a 305 to bring it to life. i plan on racin it alot when i get the parts, so keep performance in mind, thx

Hey yall. Bought a cam and new valve springs to go along with it. I've done one cam swap but it was on a mustang. Anyone have a good set of...

The check engine light went on for the third time, a friend that works on a gm dealer told me that it is because of the cam swap and it's weird idle,...

Okay guys, I need some pointers/advice on where to start my build up. The engine is stock, havn't even put a programer to it, all i have is a K&N...

I was just wondering I have an 02 Sierra Denali and I have been tryin to find out what kinda tranny it has in it. I would think it has a 4l80 but...

my truck is two years old but has only 10,000 miles on it. should i change tranns fluid because it still has the factory cheeze in there? it's 5.3l...

Hi evryone.Been browsing here for some time..I got the 93 nelson tune.Thx Allen.I also bought AZSM long tubes,from Project r.Well Heres my question.I...

hi everyone, i'm new to the site, and have some questions that i need answered urgently.. i'll be rebuilding my lt1 as it ran without oil...

I need to see if I can make them work for my aplication .

Well, i haven't posted since my check-in,but, have enjoyed reading about all your adventures. Now it's my turn. Yesterday afternoon I'm going to work...